/*
 * Copyright (C) 2008 GeoScheduler Team, as stated on <http://www.geoscheduler.org/authors>.
 * 
 * This file is part of GeoScheduler.
 * 
 * GeoScheduler is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * GeoScheduler is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with GeoScheduler. If not, see <http://www.gnu.org/licenses/>.
 */
package org.geoscheduler.commons.qbuilder;

import java.util.Arrays;
import java.util.Collection;

import org.geoscheduler.commons.qbuilder.TableDecl.ColumnDecl;

/**
 * FIXME [lko] comment me!
 *
 * @author lko
 */
public class SelectSQLBuilder extends AbstractSQLBuilder<SelectSQLBuilder> {

	public SelectSQLBuilder() {
		this(new StringBuilder());
	}

	public SelectSQLBuilder(StringBuilder bld) {
		super(bld);
		append("SELECT ");
	}

	public SelectSQLBuilder columns(Collection<String> columns) {
		for (String column : columns) {
			delimiter();
			append(column);
		}
		return this;
	}

	public SelectSQLBuilder column(ColumnDecl<?, ?>... column) {
		for (ColumnDecl<?, ?> col : column) {
			column(col.name());
		}
		return this;
	}

	public SelectSQLBuilder column(String column) {
		delimiter().append(column);
		return this;
	}

	public SelectSQLBuilder column(String... columns) {
		columns(Arrays.asList(columns));
		return this;
	}

	public FromSQLBuilder from() {
		append(" ");
		return new FromSQLBuilder(builder());
	}
}
